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Managing Databases with Oracle

Managing Databases with Oracle
Which SQL phrase is not supported by Oracle?

DROP SEQUENCE [SequenceName]
ON UPDATE CASCADE
CREATE SEQUENCE [SequenceName]
ON DELETE CASCADE

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Managing Databases with Oracle
After a table has been created, its structure can be modified using the SQL command:

MODIFY TABLE [TableName].
UPDATE TABLE [TableName].
CHANGE TABLE [TableName].
ALTER TABLE [TableName].

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Managing Databases with Oracle
Indexes are created to enforce uniqueness on columns and to enable fast retrieval by column values.

False
True

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Managing Databases with Oracle
The semicolon terminates a SQL statement (and executes it).

True
False

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Managing Databases with Oracle
The left-leaning slash tells Oracle to execute whatever statement is in the buffer.

False
True

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Managing Databases with Oracle
Oracle commands, column names, table names, view names and all other database elements are case sensitive.

True
False

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